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Table 1 Chemical composition of bark from two commercial clones, Eucalyptus grandis (EG) and Eucalyptus grandis x urophylla (HGU)

From: Effects of pretreatment on morphology, chemical composition and enzymatic digestibility of eucalyptus bark: a potentially valuable source of fermentable sugars for biofuel production – part 1

Cell-wall monosaccharides (%) HGU EG
Fucose 0.10 ± 0.01 0.12 ± 0.01
Rhamnose 0.32 ± 0.04 0.34 ± 0.04
Arabinose 1.03 ± 0.04 1.14 ± 0.04
Galactose 0.91 ± 0.03 1.19 ± 0.03
Glucose 38.85 ± 0.90 39.55 ± 0.66
Xylose 9.62 ± 0.10 8.64 ± 0.15
       Total solubles (%) 25.77 ± 0.82 26.64 ± 0.73
       Soluble Sugars (%)   
Glucose 1.71 ± 0.17 0.76 ± 0.04
Fructose 4.54 ± 0.58 2.60 ± 0.15
Sucrose 2.90 ± 0.28 1.81 ± 0.07
       Total lignin (%) 19.68 ± 0.33 14.71 ± 0.34
Klason Lignin 16.86 ± 0.41 11.41 ± 0.45
Soluble lignin 2.82 ± 0.36 3.30 ± 0.20
       Ashes 4.06 ± 0.04 7.14 ± 0.25
       Total (%) 100.34 ± 4.16 99.47 ± 3.78
  1. Amounts are expressed in percentage of a dry matter.